package com.ypf.domain;

import com.alibaba.fastjson.annotation.JSONField;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;

import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;

@Data
@NoArgsConstructor
public class LoginUser implements UserDetails {

    private User user;

    private List<String> permissions;

    @JSONField(serialize = false)  // 如果把这个序列化到redis中 会报错 所以不需要序列化
    private List<SimpleGrantedAuthority> authorities;  // 定义为成员变量 只在第一次的时候进行加载


    public LoginUser(User user, List<String> permissions) {
        this.user = user;
        this.permissions = permissions;
    }



    // 鉴权需要重写这个方法的
    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {

        // 把permission 中String 类型的权限信息封装成 SimpleGrantedAuthority对象

        /**
         * 方法1
         */
//        List<GrantedAuthority> newList = new ArrayList<>();
//        for (String permission : permissions) {
//            SimpleGrantedAuthority simpleGrantedAuthority = new SimpleGrantedAuthority(permission);
//            newList.add(simpleGrantedAuthority);
//        }

        /**
         * 方法2
         */
        if (authorities!=null){
            return authorities;
        }

        authorities = permissions.stream().map(SimpleGrantedAuthority::new).collect(Collectors.toList());

        return authorities;
    }

    @Override
    public String getPassword() {
        return user.getPassword();
    }

    @Override
    public String getUsername() {
        return user.getUserName();
    }

    @Override
    public boolean isAccountNonExpired() {
        return true;
    }

    @Override
    public boolean isAccountNonLocked() {
        return true;
    }

    @Override
    public boolean isCredentialsNonExpired() {
        return true;
    }

    @Override
    public boolean isEnabled() {
        return true;
    }
}
